4C on the drive plug? I think that is 1934, maybe someone else can confirm...
...I like having my 3/4 stuff around, just used my 1-1/2" Bonney socket today actually, on my Wright breaker...
I grabbed a supa cheap SK Wayne 3/4 rat a few weeks back, just cuz it was cheap. Definitely don't need it, but something like that you could definitely pass along. Smart grab.